Innovating Technology ITGSH-300 User manual

Instruction Manual
Model: ITGSH-300
Wireless Hi-Frequency Headphones

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Precautions
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
This symbol is intended to
alert user to the presence of
non-insulated “dan erous
volta e” within the
product’s enclosure that
may be of sufficient
ma nitude to constitute risk
of electric shock to persons.
RISKS OF ELECTRIC SHOCK
DO NOT OPEN THE COVER
(OR BACK). NO USER
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO
QUALIFIED SERVICE
PERSONNEL.
This symbol is intended to
alert user to the presence of
important operatin and
maintenance (servicin )
instructions in the literature
accompanyin the
appliance.
Danger: This is not a toy. Keep the unit & accessories out of reach from children or pets.
There will be a risk of swallow.
arning: To reduce the risk of fire or electric shock, do not expose this appliance to rain or
moisture.
Caution: Keep the unit away from any interference appliance, such as metals and ma net.
Locations: To reduce the risk of electric shock, fire or injury:
1. Do not use the unit in places that are extremely hot, cold, dusty or humid.
2. Do not place the unit under the direct sunli ht nor near any heat sources such as open
flame sources and units that produce heat.
3. Do not place any objects that are filled with liquids, such as vases, on the unit.
4. Keep the unit away from places where the unit may be exposed to drippin or
splashin .
5. Place the unit on a flat and stable place.
Important Safety Instructions
1. Read throu h the manual before operatin .
2. Heed the instructions.
3. Follow all instructions in the manual.
4. Keep the manual for future reference.
5. Do not block any ventilation openin s. Do not impede the ventilation openin s with
newspapers, table-cloths, curtains or the like. Leave at least 5cm around the unit for
sufficient ventilations.

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6. Install the unit in accordance with the manufacturer’s instructions.
7. Clean the cabinet with a soft cloth sli htly moistened with a mild deter ent solution. Do
not use stron solvents which may cause unpredictable dama e to the unit.
8. Before usin the product with the approved power adapter provided, ensure the
electric power supply is compatible with the volta e ratin of the provided power
adapter.
9. Use ONLY the provided power adaptor. Never use other power adaptors even if they
have the same specifications or ratin .
10. Protect the power cord from bein walked on or pinched, particularly at plu s,
convenience receptacles and the pointers where they exist from the unit.
11. The electric plu is used as the disconnect device. The disconnect device shall remain
readily operable.
12. Remove the power adaptor from the electric outlet if the product is not in use for a lon
time.
13. If it is li htenin , unplu the power adapter to prevent the unit from unnecessary
dama es.
14. Never try to disassemble batteries. It will be fatal dan erous if you heat the batteries or
put batteries under the direct sunli ht.
15. Refer all servicin to qualified service personnel. Servicin required when the unit does
not operate normally or has been dama ed in any way such as the power adaptor is
dama ed, liquids spilled into the unit, any hard object fallen on the unit, the unit has
been dropped, the unit has been exposed to rain or moisture.
16. The markin information is located at the bottom of the unit.
17. Attentions should be drawn to the environmental aspects of batteries disposal.
18. Use the unit in moderate climates.
Warnin s:
＊ Listenin to uncomfortable sound levels for prolon ed periods could adversely affect
your hearin .
＊ If usin a line input or direct plu in MUST be fully inserted into the correct socket and
the volume turned to the lowest level before turnin the unit on. Failure to do so can
result in hi h sound levels and could adversely affect your hearin .
＊ Please make sure that the volume knob is in the fully OFF position. You will hear and
feel a click when the knob is in the OFF position.

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Battery Warnin s:
* Dan er if battery is heated or exposed to direct sunli ht or hi h temperature (over 80
centide rees).
* Do not force the battery pack into the char er or headphone. It fits easily when in the
correct orientation.
* Do not short circuit the battery.
* Never disassemble or reconstruct battery.
* Do not expose the battery to water or any liquids.
* Disposal of battery if it is broken, leaked or deformed.
* Char e the battery as per instructions.

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Locations and controls

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Headset
1. Headset plugs & earbuds
2. Headset cradles: The cradles are adjustable at a settled an le ran e. You can set the
headset plu s at a certain width by adjustin the an le. Do not force - it may dama e
the headset.
3. Under chin headset
4. Channel indicator: Indicate the operatin status of the headset. Fast flash when the
headset is searchin for an idle FM frequency; Flash slowly to indicate the receiver is
oin to hold an idle FM frequency. Once the desired FM frequency has been found,
the indicator will li ht constantly.
5. Battery pack: Take the battery pack from the packin and insert it into the bottom side
of the under chin headset.
6. Search: Press to search the si nal sent from the transmitter.
7. Volume control: Turn the sound on and off and adjust the volume level.
8. Balance knob: Adjust the sound balance of left and ri ht channel.
9. Tone Right knob: Adjust the tone of ri ht earphone.
10. Tone Left knob: Adjust the tone of left earphone.
Transmitter
11. Channel indicator: Indicate the operatin status of the transmitter. Flash when the
transmitter is searchin for an idle FM frequency. Once the desired FM frequency has
been found, the indicator will li ht constantly.
12. Charge 2 indicator (middle): Indicate the battery pack inside the headset. Li ht
constantly durin the char in process; li ht off if the battery pack is fully char ed or no
battery pack inside.
13. Transmitter
14. Side battery charge slot: Dock and char e the extra battery pack.
15. Charge 1 indicator (side): Indicate the battery pack at the side of the transmitter. Li ht
constantly durin the char in process; li ht off if the battery pack is fully char ed or no
battery pack inside.
16. Headset dock: Char e the battery pack inside the headset durin dockin .
17. Search: Press to search an idle FM frequency.
18. DC IN jack: Connect the AC/DC adaptor to the jack.
19. Audio switch [MONO/STEREO]: Switch between stereo and mono operation.
20. AUDIO IN socket: Connects the 3.5mm audio input jack of the transmitter to your TV set
by usin the 3.5mm plu cable.
21. AUDIO IN sockets [RCA]: Connects the RCA audio input jack of the transmitter to your

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TV set by usin the RCA to 3.5mm plu audio cable cord supplied.
Preparations
CAUTION:
The valid operation ran e between the headset and
transmitter is 5m in open area.
1. Get connected. Connect the transmitter to your TV set by the provided audio cable,
make sure that the color of RCA plu s are matched the color of socket.
Tips: It is convenient to place the transmitter near your TV set.
2. Fully extend the DC cord, and keep the DC cord lie vertically (up or down), as the DC
cord acts as a si nal transmission antenna.
3. Take the battery packs from the packin then insert one of the battery pack into the
headset base, with the en raved symbol side facin upward.
NOTE: The battery pack carries a little power and it is adequate for searchin an idle
FM frequency. However, it is better to char e the battery pack at least 8 hours before
first use. (For detailed information of char in the battery pack, please refer to
“Charging the battery pack”.)

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4. Dock the headset to the transmitter and battery pack inside the headset will be char ed
automatically once the transmitter is powered on.
NOTE: The Char e 2 indicates the battery level. The Char e 2 indicator will o out if
the battery of the headset is fully char ed, otherwise it li hts up constantly and
char in is in pro ress.
5. Connect the AC/DC adaptor to the DC IN jack at the back of the transmitter and to the
electric outlet. The transmitter is powered on.
Getting started
1. Turn on your TV set and adjust to a comfortable volume level. NOTE: Never mute the TV
sound as it could cause no sound on the headset.
2. Use the volume control to turn the headset on and a “click” will be heard. Turn the
volume control to set the volume level to the lowest level.
3. Put on the headset and adjust the headset cradles to a
comfortable width.
NOTE: There are 3 different sizes of earbuds provided
(one is equipped with the headset, the others are in the
packin ), to fit for different user. Please refer to the
“Chan e the earbuds”.
4. Re-adjust the volume on the headset to a comfortable level.
5. Use a penny (not included) to set the sound to meet your preference with the balance
knob and the tone knobs (left and ri ht) that are desi ned on the back of the headset.
6. If you find the sound is not clear, set the audio switch to “MONO”.
TIPS: If you find no sounds from the headset, or the Channel indicator on the headset
is flashin for a while then li hts off, it indicates that re-pair will be needed. To et
detailed information please refer to “Pair the FM frequency”.
7. After use, turn off the headset with the Volume control and dock it to the transmitter.
Pair the FM frequency
The transmitter and headset are pre-paired. If you find no sounds from the headset, or the
Channel indicator on the headset is flashin for a while then li hts off, it indicates that
re-pair will be needed.
• Check if you are too far away from the transmitter. The operatin distance between the
headset and the transmitter is 5 meters.
SOLUTION: Move closer to the transmitter.
• The headset may not find an idle FM frequency.

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SOLUTION: Press the Search button on the headset to re-pair to the transmitter.
If all above solutions do not work, you may need to find another idle FM frequency as per
instructions below:
1. Always dock the headset on the transmitter.
2. Press the Search button on the transmitter.
The transmitter will search an idle FM frequency for si nal transmission. Channel
indicator is flashin durin searchin process. Once a desired FM frequency has been
found, the indicator li hts constantly and then the transmitter will send out a si nal.
3. Turn the Volume control to set the headset ON.
4. Press the Search button on the headset.
The headset will search the si nal that was sent from the transmitter. Channel indicator
on the headset starts to flash, indicatin the searchin process. Once the si nal has
been found, the indicator will li ht constantly.
NOTE: If the Channel indicator on the headset keeps flashin for a lon time, chan e
another idle FM frequency with steps 2, 3 & 4.
5. When the pair is complete, you can enjoy your TV.
Charging the battery pack
The battery packs carry a little power durin shippin .
Char e the battery packs at least 8 hours before first use, as low battery level may lead to
unsatisfied sound such as distorted.
It is recommended to dock the headset to the transmitter after use.
NOTE:
• Battery pack, which is already inserted to the transmitter, will be char ed to full capacity
once the transmitter is on.
• The battery pack contains protection circuit to avoid overchar in and help to save
battery life. When the battery pack is inserted to the power-on transmitter, the
transmitter will detect the battery level and activate the char in function.
• Dock the headset to the transmitter and a combination sound will be heard. The battery
pack will be char ed once the transmitter is powered on.
• To char e the extra battery pack, inserts it to the
side battery char e slot with the en raved symbol
side facin downward. The battery pack will be
char ed once the transmitter is powered on.

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• The Char e LEDs indicate the char in status. It li hts constantly durin the char in
process. If no battery pack inside or the battery pack has been fully char ed, the Char e
LED will li ht off.
Battery Precautions: Use battery pack as recommended by the manufacturer, use battery
pack other than recommended will increase risks of dan er.
Replace the drained battery pack
If you find distorted sound, the battery level may be low, dock the headset to char e the
battery pack or, if you want to use the headset continuously, you need to replace the
battery pack.
Change the earbuds
There are 3 sizes of earbuds included the product, small, medium and lar e size.
Small Medium
Lar e
1. Take the extra battery pack out from the
transmitter.
2. Grip the ed e and pull out the battery pack from
the bottom of the under chin headset. Take the
extra battery pack out if it is inserted to the side of
the transmitter.
3. Insert the extra battery pack into the under chin
headset. Make sure the battery pack is installed or
docked properly.

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• Take off the earbuds from the headset.
• Take the earbuds from the packin and select a suitable earbud
size.
• Insert the earbuds to the headset.
Specifications
Headset power supply: 1 x Li-ion battery pack
Transmitter power supply:
AC adapter: input 120V~60Hz,
output 7.5Vdc 200mA
Power Consumption: 3W
FM Frequency Ran e: 88-108MHz
S/N ratio: 45dB
Operation Ran e: 5m in open area
Accessories: AC/DC adapter
3.5mm-to-RCA Audio cable
2 x Li-ion battery pack
3 pairs of earbuds (small, medium and lar e size, one is
equipped on the headset and the others are in the packin .)

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Troubleshooting
Problem Possible Cause Solution
Connections between the Audio
sockets on the TV and the
transmitter may be loose.
Check all connections.
You may be out of the operatin
ran e of the transmitter.
Move closer to the transmitter to
keep the distance within 5
meters.
Not workin
and/or no sound.
Battery pack is low. Rechar e/Replace the battery
pack.
No reception. The DC cord of AC adapter is
coiled, or lies flat.
Keep the DC cord fully extend
and lie vertically (up or down).
Some interfered appliance is
usin nearby.
Turn off the interfered appliance.
Sound is not very
clear and/or
distorted. Poor reception. Turn yourself to another
direction or set the audio switch
to Mono.
The Channel
indicator li hts off
after flashin for a
while.
It is to be desi nated to help save
power consumption.
Press the Search button to pair
an idle FM frequency and the
indicator will li ht a ain.

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FCC/ICES-003 STATEMENT
Warnin : Chan es or modifications to this unit not expressly approved by the party responsible for
compliance could void the user authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B di ital device,
pursuant to Part 15 of the FCC Rules. These limits are desi ned to provide reasonable protection a ainst
harmful interference in a residential installation. This equipment enerates uses and can radiate radio
frequency ener y and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no uarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turnin the equipment off and on, the user is encoura ed to try to correct the
interference by one of the followin measures:
- Reorient or relocate the receivin antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the followin two conditions: (1)
This device may not cause harmful interference, and (2) this device must accept any interference received,
includin interference that may cause undesired operation.
Any chan es or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate this equipment.
INDUSTRY CANADA
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the
followin two conditions: (1) this device may not cause interference, and (2) this device must accept any
interference, includin interference that may cause undesired operation of the device.
Under Industry Canada re ulations, this radio transmitter may only operate usin an antenna of a type and
maximum (or lesser) ain approved for the transmitter by Industry Canada. To reduce potential radio

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interference to other users, the antenna type and its ain should be so chosen that the equivalent
isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
Conformément à la ré lementation d'Industrie Canada, le présent émetteur radio peut
fonctionner avec une antenne d'un type et d'un ain maximal (ou inférieur) approuvé pour l'émetteur par
Industrie Canada. Dans le but de réduire les risques de brouilla e radioélectrique à l'intention des autres
utilisateurs, il faut choisir le type d'antenne et son ain de sorte que la puissance isotrope rayonnée
équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication
satisfaisante.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de
licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de
brouilla e, et (2) l'utilisateur de l'appareil doit accepter tout brouilla e radioélectrique subi, même si le
brouilla e est susceptible d'en compromettre le fonctionnement.
CALIFORNIA PROP 65 WARNING
"WARNING" This product contains a chemicals known to the State of California to cause birth defects or
other reproductive harm. For more information on these re ulations and a list of chemicals, lo on the
followin website address :
http://www.oehha.ca. ov/prop65.html

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WARRANTY
Innovative Technolo y Electronics Corp.
Limited Warranty: 90 Days Labor, One Year Parts
Innovative Technolo y Electronics Corp. (IT) warrants the product to be free from “Defects” in materials under normal use for a
period of “One Year” from the date of the ori inal purchase. The Warranty is “Not” transferable. IT a rees, within the initial
“90 Day” period, to repair or replace the product if it is determined to be defective at “No Char e”. It is further a reed that
IT will cover the cost to repair or replace dama ed “Parts” only for a total period of “One Year” from the date of the ori inal
purchase. The warranty does not cover cosmetic dama e, antennas, AC cords, cabinets, headbands, ear-pads, or dama e
due to line power sur es, connection to improper volta e supply or settin s, misuse, mishandlin , accident, acts of God or
attempted repair by an unauthorized service a ent.
To obtain service, the purchaser MUST present an original sales receipt / proof of purchase. Please contact us at
www.ithomeproducts.com to request an RMA (Return Material Authorization) number to return products for service or
replacement. Returns without an RMA number on the packa e will be refused and returned to sender. Upon receipt of
the returnin item and our full inspection (IT) may issue a replacement to customer for the same item or of one that has
equivalent value and features. To return an item, supply full name, return address, phone number, item purchased, receipt
of purchase and reason for return to obtain RMA number.
All returns must be in the ori inal packa in or reasonable substitute to prevent dama e.
Customer “Must” include full name, shippin address and telephone number inside of packa e. No return will be shipped back
to a PO Box or APO address.
Please include your check or money order in the amount of
• USD$5.00 for items $10.00 to $39.99 (Price Paid Per Unit)
• USD$10.00 for items $40.00 to $99.99. (Price Paid Per Unit)
• USD$16.00, for items $100.00 and up. (Price Paid Per Unit)
• Shipping fees are non-refundable
to be payable to Innovative Technolo y Electronics Corp.(for handlin and return
shippin char es) (IT) will not be responsible for delays or unprocessed claims resultin
from a purchaser’s failure to provide any / all of the necessary information.

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Send all inquiries or RMA request via our website www.ithomeproducts.com/support.
Innovative Technolo y Electronics Corp.
1 Channel Drive
Port Washin ton, NY 11050
Toll free: 1-877-483-2497
ebsite for support: www.ithomeproducts.com/support
There are no express warranties except as listed above.
REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE
REMEDY OF THE CUSTOMER, (IT) SHOULD NOT BE LIABLE FOR ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS PRODUCT EXCEPT TO THE EXTENT
PROHIBITED BY APPLICABLE LAW. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
ON THIS PRODUCT IS LIMITED IN DURATION TO THE DURATION OF THIS WARRANTY.
Some states do not allow the exclusion or limitation of incidental or consequential dama es, or limitations on how lon an
implied warranty lasts, so the above exclusions or limitations may not apply to you. This warranty ives you specific le al
ri hts and you may also have other ri hts, which vary from state to state.

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300110800E